22856546 has 4 divisors (see below), whose sum is σ = 34284822. Its totient is φ = 11428272.

The previous prime is 22856539. The next prime is 22856567. The reversal of 22856546 is 64565822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64565822 = 2 ⋅32282911.

It can be written as a sum of positive squares in only one way, i.e., 22705225 + 151321 = 4765^2 + 389^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5714135 + ... + 5714138.

Almost surely, 2^22856546 is an apocalyptic number.

22856546 is a deficient number, since it is larger than the sum of its proper divisors (11428276).

22856546 is a wasteful number, since it uses less digits than its factorization.

22856546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11428275.

The product of its digits is 115200, while the sum is 38.

The square root of 22856546 is about 4780.8520161160. The cubic root of 22856546 is about 283.7942121590.

The spelling of 22856546 in words is "twenty-two million, eight hundred fifty-six thousand, five hundred forty-six".